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Security Bulletin:A vulnerability in IBM Java SDK affects IBM Workload Deployer. (CVE-2015-7575)

Security Bulletin


There is a vulnerability in IBM® SDK Java™ Technology Edition Version 6 that is used by IBM Workload Deployer. The issue was disclosed as part of the IBM Java SDK updates in January 2016 and this vulnerability is commonly referred to as “SLOTH”.

Vulnerability Details

CVEID: CVE-2015-7575
The TLS protocol could allow weaker than expected security caused by a collision attack when using the MD5 hash function for signing a ServerKeyExchange message during a TLS handshake. An attacker could exploit this vulnerability using man-in-the-middle techniques to impersonate a TLS server and obtain credentials. This vulnerability is commonly referred to as “SLOTH”.
CVSS Base Score: 7.1
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/UI:U/C:H/I:L/A:N)

Affected Products and Versions

IBM Workload Deployer version 3.1 and later


The solution is to apply the following IBM Workload Deployer fix:
Upgrade the IBM Workload Deployer to the following fix level:

Workarounds and Mitigations


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Related information


CVE-2015-7575 was reported to IBM by Karthikeyan Bhargavan at INRIA in Paris, France

Change History

24 February 2016: Original version published

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document information

More support for: IBM Workload Deployer

Software version:

Operating system(s): Firmware

Reference #: 1977646

Modified date: 05 April 2016